2. Answer the following questions based on below situation: "A mixing tank is used to blend two materials X and Y to obtain new material Z. Material X must be less than 40 litre while material Y can be any value. If material X is bigger, display the ratio of X to Y. If material X is equal to Y add both materials. Otherwise, display that the amount is unknown, tank may overflow." (ii) Develop an algorithm for achieving the task stated in question 2(i). (iii) Develop a flowchart from the algorithm developed in question 2(ii)